Mycophenolate Mofetil Morpholino Ester from Japan
The specific morpholinoethyl ester prodrug form of mycophenolic acid, chemically defined as mycophenolate mofetil under HTS 2934.99.01.00. This aromatic heterocyclic compound converts in vivo to active mycophenolic acid via esterase cleavage. Essential API for branded CellCept® and generic equivalents.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.6215%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Verify ester content >99% with no free mycophenolic acid (>0.1% triggers stability concerns)
• Include polymorphic form specification (Form I most common) in CoA to ensure processing consistency
• Controlled substance declaration NOT required (not DEA scheduled) but confirm with CBP